Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 岡安 彰 and 太田 豊彦 and 尾池 守 and 藤田 敏彦,Shaft vibration problem and solution for LE-7liquid hydrogen turbopump,Turbomachinery,03858839,Turbomachinery Society of Japan,1998,26,8,456-462,https://cir.nii.ac.jp/crid/1390001204544065792,https://doi.org/10.11458/tsj1973.26.456